Directional interpolation method using frequency information...

Image analysis – Image transformation or preprocessing – Changing the image coordinates

Reexamination Certificate

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C382S266000, C382S269000, C382S275000, C358S003260, C358S003270, C358S463000

Reexamination Certificate

active

07447383

ABSTRACT:
A method for interpolating a pixel within an image is provided. The image has a plurality of pixels arranged in a matrix format. The method includes: detecting if there is an edge in a block of the image according to frequency information of the block associated with the pixel; determining an interpolation direction for the pixel according to the detection result and the frequency information; and interpolating the pixel according to the determined interpolation direction. Additionally, a device for implementing the method is also provided.

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